The Udzungwa Mountains National Park is a Tanzanian national park in Kilolo District of Iringa Region and Kilombero District of Morogoro Region. The park is mostly located in Kilolo District. It has a size of 1,990 km². The habitats contained within the national park include tropical rainforest, mountain forest, miombo woodland, grassland and steppe. There is a vertical height range of 250–2,576 metres, which incorporates the Udzungwa Mountains part of the Eastern Arc Mountains. There are more than 400 bird species, 2,500 plant species and 6 primate species. It has the second largest biodiversity of a national park in Africa.